<template>
 <div class="home-new" ref="target">
    <HomePannel title="新鲜好物" sub-title="新鲜出炉 品质靠谱">
      <template #right>
          <XtxMore path="/"/>
      </template>
      <!-- 面板内容 -->
       <Transition name="fade">
      <ul v-if="list.length" class="goods-list">
        <li v-for="item in list" :key="item.id">
          <RouterLink :to="`/product/${item.id}`">
            <img :src="item.picture" alt="">
            <p class="name ellipsis">{{item.name}}</p>
            <p class="price">&yen;{{item.price}}</p>
          </RouterLink>
        </li>
      </ul>
      <Homeskeleton v-else/>
      <!-- 使用transition 包裹标签发生创建消除 有动画效果 在包裹中的标签使用 -->
      </Transition>
    </HomePannel>
  </div>
</template>
<script>
import HomePannel from './home-pannel.vue'
import Homeskeleton from './home-skeleton.vue'
import { findNew } from '@/api/home'
import { useLazyData } from '@/hook'
export default {
  name: 'HomeNew',
  components: { HomePannel, Homeskeleton },
  setup () {
    // const list = ref([])
    // const target = ref(null)
    // findNew().then(res => {
    // //   setTimeout(() => {
    //   list.value = res.result
    // }, 3000)
    // })
    // 数据懒加载
    // const { stop } = useIntersectionObserver(target, ([{ isIntersecting }]) => {
    //   // 判断被监听的元素是否已经进入可视区
    //   if (isIntersecting) {
    //     findNew().then(ret => {
    //       list.value = ret.result
    //       // 如果获取到了数据，可以取消继续监听
    //       stop()
    //     })
    //   }
    // })
    const { list, target } = useLazyData(findNew)
    return { list, target }
  }
}
</script>
<style scoped lang="less">

.goods-list {
  display: flex;
  justify-content: space-between;
  height: 406px;
  li {
    width: 306px;
    height: 406px;
    background: #f0f9f4;
    .hoverShadow();
    img {
      width: 306px;
      height: 306px;
    }
    p {
      font-size: 22px;
      padding: 12px 30px 0 30px;
      text-align: center;
    }
    .price {
      color: @priceColor;
    }
  }
}

</style>
